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## Rails 4.0.0 (unreleased) ##
+* Add STI support to init and building associations.
+ Allows you to do BaseClass.new(:type => "SubClass") as well as
+ parent.children.build(:type => "SubClass") or parent.build_child
+ to initialize an STI subclass. Ensures that the class name is a
+ valid class and that it is in the ancestors of the super class
+ that the association is expecting.
+
+ *Jason Rush*
+
* Observers was extracted from Active Record as `rails-observers` gem.
*Rafael Mendonça França*